Pass Through RJ45 Crimp Tool Kit: It comes with a professional cat5 cat5e cat6 RJ45 pass through ethernet crimping tool; 20 PCS cat6 1.1mm pass through connectors, 20 PCS covers, a netwotk cable tester, a wire stripper Multifuction Networking Tool: Crimping Application: suitable for cat5 cat5e cat6 Cables; great for crimping rj45 shielded and unshielded pass through and standard connectors; rj11 rj12 standard connectors; stripping application: suitable for stripping cat5 cat5e cable; cutting application: suitable for cutting cat5 cat5e cat6 cable Pass Through Design: This rj45 crimping tool can crimp rj45 pass through connectors well and cut the extra wires at the same time; blade guard when cutting the protective device is designed to better protect you during cutting and operations; comfortable and Easy to use Multi-function Cable Tester for Testing Network or Telephone Cables: It can test correspondingly double-twisted cables 1,2,3,4,5,6,7,8 and G, can judge wrong connection, short